Home > 2015 ICD-9-CM Diagnosis Codes > Neoplasms 140-239 > Malignant Neoplasm Of Respiratory And Intrathoracic Organs 160-165 > Malignant neoplasm of thymus heart and mediastinum 164-
Specific code 2015 ICD-9-CM Diagnosis Code 164.1
Malignant neoplasm of heart
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 164.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 164.1 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 164.1 converts approximately to:
  • 2015/16 ICD-10-CM C38.0 Malignant neoplasm of heart
Approximate Synonyms
  • Cancer of the heart
  • Heart cancer
  • Malignant mesothelioma of pericardium
  • Malignant mesothelioma, pericardium
  • Primary malignant neoplasm of heart
Clinical Information
  • A primary or metastatic malignant neoplasm involving the heart
  • A rare cancer that develops in tissues of the heart
164.1 Excludes
Applies To
  • Endocardium
  • Epicardium
  • Myocardium
  • Pericardium
 164.0 ICD9Data.com 164.2 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 164.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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